Quantifying positional importance in food webs: A comparison of centrality indices

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Weighting, scale dependence and indirect effects in ecological networks: A comparative study (2007, methodology): “We were interested in the centrality rank of nodes in each network for each index, for both the weighted and the unweighted case (Jordán et al., 2006a, 2007; Estrada, 2007).”
Keystone species: toward an operational concept for marine biodiversity conservation (2015, background): “…recent approaches to identify potential keystone species were based on a variety of ecological modeling methods: ecological network analysis (ENA; Jordán et al. 1999, 2007, 2009, Estrada 2007, Torres-Alruiz and Rodrı́guez 2013); loop analysis (e.g., Ortiz et al. 2013a, b); community viability…”
The Structure of Ecological Networks Across Levels of Organization (2020, background): “F or p er so na l u se o nl y. interaction, such as wide variation in the number of interactions across species ( Jordano et al. 2003, Solé & Montoya 2001), species centrality ( Jordán et al. 2007), and interaction strength (Bascompte et al. 2006, McCann et al. 1998).”